Physical and Chemical Changes assignment

Mrs. Keadle JH Science
Name__________________________________ period _____
date assigned_____________ date due ______________ date returned _____________
Physical and Chemical Changes
Power Point Questions
1. What is a physical property? _______________________
_____________________________________________
______________________________________________
______________________________________________
2. What can you use to describe physical properties?
1. ___________________________________________
2. ___________________________________________
3. ___________________________________________
3. What are the four states of matter?
4. List as many physical properties as you can
color
temperature
feel
smell
state
weight
length
density
Physical and Chemical Changes Power Point Questions
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Mrs. Keadle JH Science
5. What is a chemical property? ___________________________________________
___________________________________________________________________
6. List as many chemical properties as you can
Will it burn
Will it explode
Can it react with
other things
7. What two kinds of changes can matter go through?
1. _______________________________________
2. _______________________________________
8. What is a physical change? _____________________________________________
___________________________________________________________________
1. ____________________________________
2. ____________________________________
3. ____________________________________
Physical and Chemical Changes Power Point Questions
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Mrs. Keadle JH Science
9. What are the six changes of state?
Melting
Solid to liquid
10. List different ways that matter can change shape.
1. _______________________
2. _______________________
3. _______________________
4. _______________________
5. _______________________
11. What kind of change is mixing or dissolving? _____________________________
Physical and Chemical Changes Power Point Questions
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Mrs. Keadle JH Science
12. What is a chemical change? __________________________________________
_________________________________________________________________
_________________________________________________________________
23. What are some signs that a chemical change may have taken place?
1. _____________________________________________________________
2. _____________________________________________________________
3. _____________________________________________________________
4. _____________________________________________________________
5. _____________________________________________________________
14. List examples of chemical changes by completing the chart.
Physical and Chemical Changes Power Point Questions
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Mrs. Keadle JH Science
15. Fill in physical or chemical under the pictures.
16
Orange
Orange Juice
Copper
Copper Jewelry
One example of a physical
change is
A
burning paper.
B
baking cookies.
C
the rusting of iron.
D
mixing a milkshake.
Orange Cake
Statue of Liberty
17 Janet eats a slice of pizza for
dinner. What represents a
physical change in the pizza?
F
Saliva changing the starch in
the pizza crust to sugar.
G
Teeth tearing off a bite of
pizza.
H
Chemicals in the stomach
digesting proteins.
J
Breaking down of fats in the
pizza by bile from the liver.
Physical and Chemical Changes Power Point Questions
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Mrs. Keadle JH Science
Use the information below to answer the following questions
chemical
change
physical
change
I
Chewing and mixing of food with saliva
II Movement of food through peristalsis
III Reaction of food with hydrochloric acid
IV Interaction of food with bile
18
Which belongs in the left hand
circle?
A
II only
B
I, III, IV
C
III, IV
D IV only
19
Which of the following digestive
processes will be found in the
middle of the Venn diagram?
F
I
G
II
H
III
J
IV
Physical and Chemical Changes Power Point Questions
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Mrs. Keadle JH Science
20 When 10 grams of sugar
dissolve in a beaker of hot
water, the resulting solution
represents a –
A
chemical, irreversible
change.
B
physical, irreversible change.
C
chemical, reversible change.
D
physical, reversible change.
21
Which step in the digestive
process represents a chemical
change in food?
F
storing of swallowed food in
the stomach
G
churning of food, liquids, and
digestive juices in the
stomach.
H
movement of food down the
esophagus to the stomach
J
substances in the mouth and
stomach breaking down fats
and proteins.
22 Which of the following describes
a physical change which occur
during the digestive process?
A
the partial breakdown of food
in the mouth by the saliva
B
the breakdown of
carbohydrates in the
stomach by hydrochloric acid
C
the changing of large fat
globules into smaller, simpler
substances by the liver
D
the change in shape of food
as it is chewed
Physical and Chemical Changes Power Point Questions
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